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-rw-r--r--vespalib/src/vespa/vespalib/btree/btreeiterator.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp b/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
index 2348e770e9d..042779f1b1b 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
@@ -983,6 +983,7 @@ moveFirstLeafNode(BTreeNode::Ref rootRef)
InternalNodeTypeRefPair iPair = allocator.moveInternalNode(node);
nodeRef = iPair.ref;
node = iPair.data;
+ std::atomic_thread_fence(std::memory_order_release);
pnode->setChild(0, nodeRef);
moved = true;
}
@@ -994,6 +995,7 @@ moveFirstLeafNode(BTreeNode::Ref rootRef)
LeafNodeTypeRefPair
lPair(allocator.moveLeafNode(_leaf.getNode()));
_leaf.setNode(lPair.data);
+ std::atomic_thread_fence(std::memory_order_release);
node->setChild(0, lPair.ref);
moved = true;
}